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Author Question: Describe what is meant by the term overdrive pacing. What will be an ideal ... (Read 156 times)

bobbie

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on: Jun 25, 2018
Describe what is meant by the term overdrive pacing.
 
  What will be an ideal response?

Question 2

An ECG machine's sensitivity must be calibrated so that a 1-millivolt electrical signal will produce a deflection measuring exactly _____ mm tall.
 
  a. 0.5
  b. 1
  c. 5
  d. 10


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amandanbreshears

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Reply #1 on: Jun 25, 2018
Answer to Question 1

During overdrive pacing, the pacemaker is set to pace at a rate faster than the rate of the tachycardia. After a few seconds, the pacemaker is stopped to allow the return of the heart's intrinsic pacemaker.

Answer to Question 2

D
When evaluating the ECG for the presence of chamber enlargement, it is particularly important to check the calibration marker to ensure that it is 10-mm tall.


bobbie

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Reply 2 on: Jun 25, 2018
Great answer, keep it coming :)

lindahyatt42

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Reply 3 on: Yesterday
Excellent

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